qquickrendercontrol.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QQUICKRENDERCONTROL_H
#define QQUICKRENDERCONTROL_H
 
#include <QtCore/qobject.h>
#include <QtQuick/qtquickglobal.h>
#include <QtGui/qimage.h>
 
QT_BEGIN_NAMESPACE
 
class QQuickWindow;
class QOpenGLContext;
class QQuickRenderControlPrivate;
class QThread;
class QRhi;
class QRhiCommandBuffer;
 
class Q_QUICK_EXPORT QQuickRenderControl : public QObject
{
    Q_OBJECT
 
public:
    explicit QQuickRenderControl(QObject *parent = nullptr);
    ~QQuickRenderControl() override;
 
    void prepareThread(QThread *targetThread);
 
    void setSamples(int sampleCount);
    int samples() const;
 
    bool initialize();
 
    void invalidate();
 
    void beginFrame();
    void endFrame();
 
    void polishItems();
    bool sync();
    void render();
 
    static QWindow *renderWindowFor(QQuickWindow *win, QPoint *offset = nullptr);
    virtual QWindow *renderWindow(QPoint *offset) { Q_UNUSED(offset); return nullptr; }
 
    QQuickWindow *window() const;
 
    QRhi *rhi() const;
    QRhiCommandBuffer *commandBuffer() const;
 
protected:
    explicit QQuickRenderControl(QQuickRenderControlPrivate &dd, QObject *parent = nullptr);
 
Q_SIGNALS:
    void renderRequested();
    void sceneChanged();
 
private:
    Q_DECLARE_PRIVATE(QQuickRenderControl)
};
 
QT_END_NAMESPACE
 
#endif // QQUICKRENDERCONTROL_H